These posts measure 100mm x 100mm / 4" x 4" and are available in three lengths of 1.8m, 2.4m and 3.0m. Our treated timber posts are built to last, designed to withstand the elements and resist rot and decay, making them ideal for use in outdoor landscaping projects. Whether you're building a fence, creating a garden structure, or constructing a deck, these treated timber posts provide reliable and long-lasting support. Invest in quality materials for your landscaping projects and choose our Treated Timber Posts for strength, durability, and peace of mind.